atomic number 15

(Pronunciation -تلفظ سنیۓ ) US:

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Noun: atomic number 15

1. atomic number 15 [ Synonyms: p, phosphorus]
A multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms

Derived Words:

phosphoric, phosphorous

Generic Words:

chemical element, element

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